Esta é a ID da sessão . A sessão 0 é mostrada para todos os serviços, a sessão 1 para o primeiro usuário conectado e 2 porque você alterna do usuário 1 para um novo logon de usuário.
Eu só tenho 1 usuário no meu Tablet e ele mostra a sessão 0 para serviços e 1 para meus programas de usuário.
PS C:\Users\Andre> ps
Handles NPM(K) PM(K) WS(K) CPU(s) Id SI ProcessName
------- ------ ----- ----- ------ -- -- -----------
655 20 22852 25232 13,47 7476 1 ApplicationFrameHost
178 6 6564 11284 301,89 7360 0 audiodg
299 8 3104 6828 6,72 1688 1 CastSrv
277 14 28772 43276 11,34 1444 1 chrome
196 6 1500 7604 0,11 2616 1 chrome
315 16 48092 70208 35,52 5344 1 chrome
284 13 24300 38344 16,03 8636 1 chrome
485 15 33988 45832 6,41 10772 1 chrome
1359 30 43184 84848 113,13 12620 1 chrome
272 13 29400 42300 68,94 12740 1 chrome
143 6 1424 8264 0,09 13524 1 chrome
236 8 5376 12480 0,63 14008 1 chrome
42 2 1840 2492 0,05 9964 1 cmd
106 3 868 4808 0,06 2784 0 conhost
302 8 3924 15772 1,91 6948 1 conhost
136 5 6196 10668 0,11 9296 1 conhost
401 8 1076 3904 10,25 580 0 csrss
623 13 1356 4744 208,95 676 1 csrss
461 10 4044 24312 32,73 6220 1 ctfmon
743 13 9928 19712 98,80 1716 0 dasHost
310 8 3316 13848 27,05 3104 1 dllhost
323 15 5564 11112 2,03 7840 1 dllhost
76 3 748 1212 0,08 3436 0 DptfParticipantDisplayService
73 3 732 3640 0,06 3332 0 DptfParticipantProcessorService
73 3 772 3628 0,08 3316 0 DptfPolicyCriticalService
77 3 776 1180 0,02 3356 0 DptfPolicyLpmService
59 3 612 1888 0,08 5828 1 DptfPolicyLpmServiceHelper
1218 25 34116 32620 4.721,06 1208 1 dwm
147 6 1204 5800 159,03 3324 0 Everything
2752 52 58652 73936 7.344,41 5884 1 explorer
787 23 13508 37132 327,50 11268 1 fdm
76 3 736 4528 0,03 11028 1 fdm_nativehost
45 3 1164 2944 0,28 948 0 fontdrvhost
68 5 3052 9076 120,55 952 1 fontdrvhost
369 15 10576 8452 4,58 4936 1 HideVolumeOSD
0 0 24 4 0 0 Idle
174 5 1428 7228 0,30 1844 0 igfxCUIService
273 8 6960 5340 1,69 6080 1 igfxEM
140 6 5276 2836 0,53 6096 1 igfxHK
488 14 13080 21368 5,77 940 1 LockApp
1319 14 5900 13644 175,31 816 0 lsass
0 0 740 85616 854,14 972 0 Memory Compression
161 6 1576 6184 0,52 7660 1 MSASCuiL
840 37 157044 94148 1.988,09 3564 0 MsMpEng
457 17 16292 10744 0,91 7348 1 Music.UI
206 8 9020 9028 6,78 4408 0 NisSrv
108 4 2320 5072 0,25 3396 0 nsmservice
768 25 41364 33948 153,39 5848 1 OneDrive
726 25 35836 54688 11,09 12892 1 powershell
282 9 2736 4128 1,13 4204 1 ReflectUI
347 10 5584 17088 20,16 924 1 RuntimeBroker
457 13 6460 20444 42,02 3444 1 RuntimeBroker
722 18 10564 24836 131,80 4792 1 RuntimeBroker
225 8 2512 13452 0,72 4980 1 RuntimeBroker
331 9 5716 15136 11,78 8424 1 RuntimeBroker
101 4 1168 5648 0,16 9288 1 RuntimeBroker
551 14 9996 28948 444,34 12184 1 RuntimeBroker
1062 33 27444 35180 70,03 10516 1 salamand
112 4 940 4732 0,05 9684 1 salmon
885 39 42164 46048 169,41 6228 0 SearchIndexer
1346 49 78356 65452 62,16 1236 1 SearchUI
375 9 3720 9240 47,39 3484 0 SecurityHealthService
380 6 3452 6604 99,70 804 0 services
705 25 40724 19376 454,56 6496 1 SettingSyncHost
828 20 21552 38476 5,41 13712 1 ShellExperienceHost
789 13 8308 23400 180,23 5292 1 sihost
238 10 10304 16060 0,34 11748 1 smartscreen
52 2 308 816 0,34 360 0 smss
405 12 4128 10400 2,06 2508 0 spoolsv
1014 16 16228 24620 369,30 932 0 svchost
1012 13 8156 13052 806,22 1112 0 svchost
814 34 20012 30936 1.551,09 1312 0 svchost
1338 57 18068 33312 559,58 1320 0 svchost
862 21 8832 16132 319,78 1380 0 svchost
868 16 17260 19900 205,52 1400 0 svchost
464 11 3528 11364 111,23 1408 0 svchost
1011 25 9216 20868 431,77 1832 0 svchost
550 16 4648 12380 309,44 1856 0 svchost
4465 43 27908 42332 765,88 1940 0 svchost
289 7 2252 10368 11,94 2120 0 svchost
133 6 1372 5492 25,08 2248 0 svchost
390 12 4244 12172 265,75 2344 0 svchost
557 7 5744 15192 435,09 2416 0 svchost
198 7 5312 13272 6,75 2472 0 svchost
504 13 8852 21628 47,73 3304 0 svchost
767 48 57844 28896 954,86 3692 0 svchost
1061 28 16724 41412 328,97 5300 1 svchost
212 6 2000 5440 1,70 7044 0 svchost
193 7 1468 5084 7,16 7624 0 svchost
222 8 3176 12156 0,19 8180 0 svchost
581 10 4756 14312 21,38 8704 0 svchost
3714 0 52 64 5.555,03 4 0 System
776 22 15532 11556 1,52 6124 1 SystemSettings
242 8 2600 10108 0,23 10140 1 SystemSettingsAdminFlows
397 12 4024 11748 23,94 6248 1 TabTip
301 19 8072 11384 35,81 5396 1 taskhostw
303 10 4624 13108 21,58 11364 1 taskhostw
679 18 18580 41008 23,41 11636 1 Taskmgr
487 15 12428 7032 1,02 9864 1 Time
215 8 4964 1696 12,77 5640 1 TouchMousePointer
140 5 1300 6424 3,64 3608 1 TouchZoomDesktopCore
61 3 616 1084 0,02 3516 0 TouchZoomDesktopService
113 4 1044 1268 0,13 8384 1 TouchZoomDesktopTray
370 40 21144 16500 65,39 4836 1 USBSafelyRemove
141 4 2324 5476 0,19 328 0 USBSRService
559 15 14612 27976 16,61 7788 1 WindowsInternal.ComposableShell.Experiences.TextInput.InputApp
145 6 960 4856 0,23 660 0 wininit
254 6 2060 7684 0,98 764 1 winlogon
1004 32 43204 7980 5,61 4604 1 WinStore.App
155 5 1996 6760 19,27 2756 0 wlanext
154 5 2008 7448 0,09 3068 0 WmiPrvSE
582 10 4880 11352 1.083,78 1020 0 WUDFHost
381 12 28564 15868 0,81 4576 1 XboxApp